Microstructure and Damping Property of Polyurethane Composites Hybridized with Ultraviolet Absorbents

Figure 1

SEM images of fracture surfaces of (a) TPU and 328-composites with different mass ratios of 328: (b) 10%, (c) 20%, (d) 25%, (e) 30%, (f) 40%, (g) 50%, and (h) 60%.

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